A Head Start on Concussions

By

Daniel Akst

Jan. 17, 2014 8:29 p.m. ET

Athletes who get concussions need to be kept out of action to prevent further damage, but the injury is often difficult to diagnose.

Symptoms such as headache and confusion can be misjudged by coaches or played down by athletes eager to remain in the game. What's needed is a more objective test of whether or not a concussion has occurred.

Scientists at the University of Rochester in upstate New York and colleagues in Germany...